/Engine/Source/Developer/UndoHistory/Public/Widgets/IReflectionDataProvider.h
WhatUClass::GetName()would return, if available
[TOptional](API\Runtime\Core\IO\TOptional)< [FString](API\Runtime\Core\Containers\FString) > GetClassDisplayName ( const [FSoftClassPath](API\Runtime\CoreUObject\UObject\FSoftClassPath) & ClassPath ) const